Engineering tools
Open, browser-based calculators. No login, no installation. All calculations run locally in your browser.
Beam calculator
Shear, moment, and deflection diagrams for simply supported and cantilever beams, under a distributed or a point load. Results update as you type.
- Max bending moment
- kNm
- Max shear force
- kN
- Max deflection
- mm
ACI quick reference
ACI 318-14 concrete properties, ASTM standard reinforcing bar dimensions, and a per-foot reinforcement area matrix by bar size and spacing.
- Elastic modulus Ec
- psi
- Modulus of rupture fr
- ksi
- Area per foot As
- in²/ft